Caption: Milky Way center with M8, M20, M6, M7, Catpaw & Dark Pipe Nebula Region. The Milky Way is the galaxy, made up of some 200 to 400 billion stars and their planets, in which our Solar System is positioned. It has a mass of roughly 750 billion to one trillion solar masses and a diameter of about 100,000 light years. Taken near Copper Mt., colourado 135mm lens, 35mm Camera, 400PPF, 30 min exp. 7/5/97.